result WavStream::loadFileToMem(File *aFile)
{
delete[] mFilename;
delete mMemFile;
mStreamFile = 0;
mMemFile = 0;
mFilename = 0;
mSampleCount = 0;
MemoryFile *mf = new MemoryFile();
int res = mf->openFileToMem(aFile);
if (res != SO_NO_ERROR)
{
delete mf;
return res;
}
res = parse(mf);
if (res != SO_NO_ERROR)
{
delete mf;
return res;
}
mMemFile = mf;
return res;
}
result Wav::loadogg(File *aReader)
{
aReader->seek(0);
MemoryFile memoryFile;
memoryFile.openFileToMem(aReader);
int e = 0;
stb_vorbis *vorbis = 0;
vorbis = stb_vorbis_open_memory(memoryFile.getMemPtr(), memoryFile.length(), &e, 0);
if (0 == vorbis)
{
return FILE_LOAD_FAILED;
}
stb_vorbis_info info = stb_vorbis_get_info(vorbis);
mBaseSamplerate = (float)info.sample_rate;
int samples = stb_vorbis_stream_length_in_samples(vorbis);
int readchannels = 1;
if (info.channels > 1)
{
readchannels = 2;
mChannels = 2;
}
mData = new float[samples * readchannels];
mSampleCount = samples;
samples = 0;
while(1)
{
float **outputs;
int n = stb_vorbis_get_frame_float(vorbis, NULL, &outputs);
if (n == 0)
{
break;
}
if (readchannels == 1)
{
memcpy(mData + samples, outputs[0],sizeof(float) * n);
}
else
{
memcpy(mData + samples, outputs[0],sizeof(float) * n);
memcpy(mData + samples + mSampleCount, outputs[1],sizeof(float) * n);
}
samples += n;
}
stb_vorbis_close(vorbis);
return 0;
}
result Wav::loadFile(File *aFile)
{
if (!aFile)
return INVALID_PARAMETER;
stop();
MemoryFile mr;
result res = mr.openFileToMem(aFile);
if (res != SO_NO_ERROR)
{
return res;
}
return testAndLoadFile(&mr);
}
